void SketcherValidation::on_highlightButton_clicked()
{
    std::vector<Base::Vector3d> points;
    TopoDS_Shape shape = sketch->Shape.getValue();

    Base::Placement Plm = sketch->Placement.getValue();

    Base::Placement invPlm = Plm.inverse();

    // build up map vertex->edge
    TopTools_IndexedDataMapOfShapeListOfShape vertex2Edge;
    TopExp::MapShapesAndAncestors(shape, TopAbs_VERTEX, TopAbs_EDGE, vertex2Edge);
    for (int i=1; i<= vertex2Edge.Extent(); ++i) {
        const TopTools_ListOfShape& los = vertex2Edge.FindFromIndex(i);
        if (los.Extent() != 2) {
            const TopoDS_Vertex& vertex = TopoDS::Vertex(vertex2Edge.FindKey(i));
            gp_Pnt pnt = BRep_Tool::Pnt(vertex);
            Base::Vector3d pos;
            invPlm.multVec(Base::Vector3d(pnt.X(), pnt.Y(), pnt.Z()),pos);
            points.push_back(pos);
        }
    }

    hidePoints();
    if (!points.empty())
        showPoints(points);
}
Exemple #2
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App::DocumentObjectExecReturn* ShapeBinder::execute(void) {

    if (!this->isRestoring()) {
        Part::Feature* obj = nullptr;
        std::vector<std::string> subs;

        ShapeBinder::getFilteredReferences(&Support, obj, subs);
        //if we have a link we rebuild the shape, but we change nothing if we are a simple copy
        if (obj) {
            Part::TopoShape shape = ShapeBinder::buildShapeFromReferences(obj, subs);
            //now, shape is in object's CS, and includes local Placement of obj but nothing else.

            if (TraceSupport.getValue()) {
                //compute the transform, and apply it to the shape.
                Base::Placement sourceCS = //full placement of container of obj
                        obj->globalPlacement() * obj->Placement.getValue().inverse();
                Base::Placement targetCS = //full placement of container of this shapebinder
                        this->globalPlacement() * this->Placement.getValue().inverse();
                Base::Placement transform = targetCS.inverse() * sourceCS;
                shape.setPlacement(transform * shape.getPlacement());
            }

            this->Placement.setValue(shape.getTransform());
            this->Shape.setValue(shape);
        }
    }

    return Part::Feature::execute();
}